Fixes #2813: Add Filter for TenantGroup to the following Forms and Filter classes:

* circuit.Circuit
* dcim.Site
* dcim.Rack
* dcim.RackElevation
* dcim.RackReservation
* dcim.Device
* ipam.IPAddress
* ipam.Prefix
* ipam.VRF
* ipam.VLAN
* virtualization.VirtualMachine

netbox/circuits/filters.py

@@ -3,7 +3,7 @@ from django.db.models import Q
 
 from dcim.models import Site
 from extras.filters import CustomFieldFilterSet
-from tenancy.models import Tenant
+from tenancy.models import Tenant, TenantGroup
 from utilities.filters import NameSlugSearchFilterSet, NumericInFilter, TagFilter
 from .constants import CIRCUIT_STATUS_CHOICES
 from .models import Provider, Circuit, CircuitTermination, CircuitType
@@ -87,6 +87,18 @@ class CircuitFilter(CustomFieldFilterSet, django_filters.FilterSet):
         choices=CIRCUIT_STATUS_CHOICES,
         null_value=None
     )
+    tenant_group_id = django_filters.ModelMultipleChoiceFilter(
+        field_name='tenant__group__id',
+        queryset=TenantGroup.objects.all(),
+        to_field_name='id',
+        label='Tenant Group (ID)',
+    )
+    tenant_group = django_filters.ModelMultipleChoiceFilter(
+        field_name='tenant__group__slug',
+        queryset=TenantGroup.objects.all(),
+        to_field_name='slug',
+        label='Tenant Group (slug)',
+    )
     tenant_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Tenant.objects.all(),
         label='Tenant (ID)',